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Bộ điều khiển nhiệt độ BWDK-3207E transformer resistance thermometer BWDK-3207 transformer temperature controller
1. Working principle
BWDK-3207E resistance thermometer for transformer is specially designed and manufactured according to JB/T7631-2005 "Resistance Thermometer for Transformer" standard. The temperature controller adopts single-chip microcomputer technology, and uses three platinum thermal resistors embedded in the three-phase winding of the dry-type transformer to detect and display the temperature rise of the transformer winding. It can manually or automatically start and stop the cooling fan to perform forced air cooling on the winding. It can also control over-temperature alarm and over-temperature tripping output to ensure that the transformer operates in a safe state.
BWDK-3207E resistance thermometer for transformer is specially designed and manufactured according to JB/T7631-2005 "Resistance Thermometer for Transformer" standard. The temperature controller adopts single-chip microcomputer technology, and uses three platinum thermal resistors embedded in the three-phase winding of the dry-type transformer to detect and display the temperature rise of the transformer winding. It can manually or automatically start and stop the cooling fan to perform forced air cooling on the winding. It can also control over-temperature alarm and over-temperature tripping output to ensure that the transformer operates in a safe state.
Tình trạng sản phẩm:
2. Technical parameters
Working environment temperature: 0～50℃
Working environment humidity: less than 90%RH (25°C)
Working power supply: AC220V/50HZ
Sensor: Pt100
Measuring range: -30～200.0℃
Total capacity of fan contacts: AC220V/10A
Alarm contact capacity: AC220V/5A
Dimensions: W160×H80mm
Hole size: 152×76mm
Executive standard: JB/T7631-2005
3. Product Function Introduction
1. The temperature controller has the following functions: roving temperature display, fan start and stop control, over-temperature alarm, ultra-high temperature automatic trip, sensor failure alarm, failure signal output; protective shell door opening thermostat alarm function. 485 communication function and 4 ~ 20MA output function can be added.
2. The user can freely modify the temperature controller fan automatic start value, fan automatic stop value, over-temperature alarm value, over-temperature trip value.
3. The fan function is automatically started at regular intervals to prevent the dry variable fan from rusting if it does not run for a long time.
4. When the temperature detected by the temperature controller does not reach the automatic start value of the fan, the user can manually start the fan. Sensor fault detection alarm function, black box function, cabinet door open alarm function.
5. Standard size, can replace all plastic case temperature controllers on the market.
4. Product physical map
Product advantages: The design of the outer cover to protect the button and the power switch is beautiful and safe.
When the outer cover is opened, the user can set the parameters according to the manual. The front switch is more reasonable than the rear switch. Even if the temperature controller fails, to prevent the transformer from tripping by mistake, the user can turn off the power switch.
Note: Because the original old BWDK-3207E transformer resistance thermometer is the output of 6 groups of fans, if the fans have been connected in parallel, it can be replaced by this one at 420 yuan. If the 6 groups of fans are separately connected to the BWDK-3207E transformer resistance thermometer, please take 6 The one with fan output. The following is the physical wiring diagram of the 6 sets of fan output products ( using industrial terminal wiring, which is similar to the old model) .
THÔNG TIN THANH TOÁN
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TÂN THÀNH CAM KẾT
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THÔNG TIN LIÊN HỆ:
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